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IEA Workshop, San Diego October 2003 Summary of the European SERF-3 Programme

IEA Workshop, San Diego October 2003 Summary of the European SERF-3 Programme. David Ward, Ian Cook Culham Science Centre on behalf of GianCarlo Tosato & the SERF Team. This work was jointly funded by the EPSRC and by EURATOM. Internal Costs of Fusion Electricity.

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IEA Workshop, San Diego October 2003 Summary of the European SERF-3 Programme

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  1. IEA Workshop, San Diego October 2003Summary of the European SERF-3 Programme David Ward, Ian Cook Culham Science Centre on behalf of GianCarlo Tosato & the SERF Team This work was jointly funded by the EPSRC and by EURATOM

  2. Internal Costs of Fusion Electricity

  3. Can a fusion power plant load-follow? Yes (Economic penalty at operating below design power)

  4. International benchmarking studies of fusion costs EU and US cost assessments similar overall for the same assumptions. Some notable exceptions in detailed breakdown of components

  5. Interactions between physics and technology developments can be quite complex Example: Higher tolerable divertor heat load imposes lower penalty on main plasma. Lower plasma current and lower current drive power becomes feasible.

  6. External Costs of Fusion Electricity

  7. External costs of wide variety of fusion power plant designs

  8. Externalities of fusion plants are the lowest achievable even by advanced technologies

  9. Conventional cost items make the largest contribution to the externalities

  10. Fusion as Part of the Energy System

  11. Valuation of the fusion R&D programme Incorporates ITER, IFMIF DEMO through to commercialisation

  12. Risk-adjusted net present value of the fusion R&D programme

  13. India energy scenario with no pollution constraints Almost all coal

  14. India energy scenario with CO2 restriction Low coal, gas takes over, others expand including fusion

  15. Effect of adding 7GW of generation in North Germany and removing 7GW from South Additional power flows within Germany and trade with neighbouring countries. System upgrades needed. 7% of power lost in transmission.

  16. Fusion and Public Opinion

  17. Public perception of risk associated with different energy sources Carried out by Focus Groups analysis based around siting of ITER in Cadarache. This is somewhat at odds with the externalities assessment. Better information on fusion required, or underestimation of risks from other sources (e.g. biomass pollution)?

  18. Public support for future energy strategies

  19. Summary of Main Points • Internal costs of fusion: • Fusion power stations will be able to load-follow, with some economic penalty. • International (EU and US) benchmarking studies show generally good agreement in the overall cost of plant and cost of electricity. • Complex strong linkages between plasma physics, technology and economics have been elucidated. • External costs of fusion: • External costs of plant models utilising silicon carbide in the blankets are extremely low, even lower than the earlier plant models. • For these models the largest contributions to the external costs are from conventional items such as accidents during construction.

  20. Summary of Main Points (2) • Fusion as part of the energy system: • The expected net present value of fusion development, derived from a probabilistic analysis, is substantially positive, in spite of the fact that successful commercial realisation is not certain. • Modelling of the future energy market in India, with pollution constraints, shows that the growth in coal use is suppressed, in spite of the large growth in electricity consumption, and fusion is introduced. • Looking at a future electricity network as a whole there is additional value in low‑carbon energy sources, such as fusion, that can provide firm power in diverse geographical locations. This additional value derives from transmission and network stability considerations.

  21. Summary of Main Points (3) • Fusion and public opinion: • There is a generally favourable public view of fusion as part of the future energy system, although there are apparent deficiencies in the information that is reaching the public.

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